FKIE_CVE-2026-47759

Vulnerability from fkie_nvd - Published: 2026-05-28 16:16 - Updated: 2026-05-28 19:19
Severity
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
References
security-advisories@github.comhttps://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2fPatch, Vendor Advisory
security-advisories@github.comhttps://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overviewRelease Notes
security-advisories@github.comhttps://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overviewRelease Notes
Impacted products
Vendor Product Version
tiny tinymce *
tiny tinymce *
tiny tinymce *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "33F45A92-27A3-41F4-91E3-4C3001F11E56",
              "versionEndExcluding": "5.11.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7A0B42F4-3EAA-49D5-B9DF-AB74687FB282",
              "versionEndExcluding": "7.9.3",
              "versionStartIncluding": "6.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4F3C3EF2-FD5B-4CC3-B2A1-F6D496708272",
              "versionEndExcluding": "8.5.1",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1."
    }
  ],
  "id": "CVE-2026-47759",
  "lastModified": "2026-05-28T19:19:37.803",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 5.8,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-05-28T16:16:28.070",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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